

	<h3>5、算术验证码</h3>
 <p>验证码：<input type="text" class="input" id="code_math" maxlength="4" /> 
 <img src="libs/code_num.php" id="getcode_math" title="看不清，点击换一张" align="absmiddle" /></p>
 <p><input type="button" class="btn" id="chk_math" value="提交" /></p>
</div>
		
		

		  <?php 
		    echo  "刚获取的".$_SESSION["helloweba_num"];
		?>
	